McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Master of Computer Applications (MCA) .
Chapters
| 1. |
DDA stands for |
| A. | Digital Decision Analysis |
| B. | Decision Divide Analysis |
| C. | Digital Differential Analysis |
| D. | Digital Differential Analyzer |
| Answer» D. Digital Differential Analyzer | |
| 2. |
DDA algorithm used for the |
| A. | Draw a rectangle |
| B. | Draw a circle |
| C. | Draw a polygon |
| D. | Draw a line |
| Answer» D. Draw a line | |
| 3. |
Region filling is the process of ___________a definite area of region. |
| A. | Coloring in |
| B. | Preparing |
| C. | Selecting |
| D. | Removing |
| Answer» A. Coloring in | |
| 4. |
Boundary fill and flood fill algorithm begins with a |
| A. | Fruit |
| B. | Leaf |
| C. | Picture |
| D. | Seed |
| Answer» D. Seed | |
| 5. |
To determine the points inside the polygon this test is used |
| A. | Inside test |
| B. | Side by side test |
| C. | Over test |
| D. | Outside test |
| Answer» A. Inside test | |
| 6. |
To modify the graphics in coded numbers ______________ is used. |
| A. | Transport |
| B. | Transfer |
| C. | Transformation |
| D. | Relation |
| Answer» C. Transformation | |
| 7. |
To increase or reduce the size ______________ is used. |
| A. | Rotation |
| B. | Translation |
| C. | Scaling |
| D. | Reflection |
| Answer» C. Scaling | |
| 8. |
To rotate the object which transformation is used. |
| A. | Scaling |
| B. | Rotation |
| C. | Reflection |
| D. | Translation |
| Answer» B. Rotation | |
| 9. |
To move the image or object from one position to another. |
| A. | Scaling |
| B. | Rotation |
| C. | Translation |
| D. | Skewing |
| Answer» C. Translation | |
| 10. |
When two or more transformation are carried out together then it is called. |
| A. | Concluding transformation |
| B. | Composite transformation |
| C. | all |
| D. | none |
| Answer» B. Composite transformation | |
| 11. |
Which of the following is measured in screen coordinates. |
| A. | Object model |
| B. | Image model |
| C. | Object space |
| D. | Image space |
| Answer» B. Image model | |
| 12. |
If the line is entirely within the window then both points will have out-codes. |
| A. | 0100 |
| B. | 0000 |
| C. | 1111 |
| D. | 1010 |
| Answer» B. 0000 | |
| 13. |
Cohen-Sutherland algorithm used for |
| A. | Polygon clipping |
| B. | Graph colouring |
| C. | Line clipping |
| D. | 3D modeling |
| Answer» C. Line clipping | |
| 14. |
Sutherland-Hodgeman algorithm used for |
| A. | Polygon clipping |
| B. | Graphical representation |
| C. | 3D modeling |
| D. | None |
| Answer» A. Polygon clipping | |
| 15. |
Interactive computer graphics uses various kind of input devices such as |
| A. | Mouse |
| B. | Graphic tablet |
| C. | Joystick |
| D. | All of these |
| Answer» D. All of these | |
| 16. |
Input function are used for |
| A. | Control the data flow from these interactive devices |
| B. | Process the data flow from these interactive devices |
| C. | Both a & b |
| D. | None of these |
| Answer» C. Both a & b | |
| 17. |
If the line connecting two interior points of the polygon lies completely inside the polygon, is said to be ____________. |
| A. | Convex |
| B. | Pixel |
| C. | Concave |
| D. | bitmap |
| Answer» A. Convex | |
| 18. |
In Bresenham's line generation algorithm, the initial value of the decision parameter as p0 = __________, where slope MOD (m) < 1. |
| A. | 2Δy – Δx |
| B. | 2Δy – 2Δx |
| C. | Δx – Δy |
| D. | None of the above |
| Answer» A. 2Δy – Δx | |
| 19. |
If a line whose end point is (10, 12) and start point is (20, 20), then slope m =? |
| A. | 1.2 |
| B. | 0.8 |
| C. | -0.4 |
| D. | None of the above |
| Answer» B. 0.8 | |
| 20. |
Which is not an interactive device? |
| A. | Keyboard |
| B. | Mouse |
| C. | CRT Monitor |
| D. | None of the above |
| Answer» C. CRT Monitor | |
| 21. |
The Cartesian slope-intercept equation for a straight line is ________________. |
| A. | y = m(a+b+c) |
| B. | y = m.x + b |
| C. | y = 2∆x-m |
| D. | None of the above |
| Answer» B. y = m.x + b | |
| 22. |
A polygon having vertices P1, P2 ,… Pn is said to be ____________ oriented if a tour of the vertices in the given order produces an anticlockwise loop. |
| A. | Positive |
| B. | Negative |
| C. | Register |
| D. | None of the above |
| Answer» A. Positive | |
| 23. |
Most of our drawing algorithm use- |
| A. | Incremental Method |
| B. | Decrement Method |
| C. | Multiplier Method |
| D. | None |
| Answer» A. Incremental Method | |
| 24. |
In our computer we follow |
| A. | Left handed coordinate system |
| B. | Right handed coordinate system |
| C. | Cartesian Coordinate system |
| D. | None |
| Answer» A. Left handed coordinate system | |
| 25. |
The process of burning ON of the pixel of line segment is: |
| A. | Rasterization |
| B. | Factorization |
| C. | Randomization |
| D. | None |
| Answer» A. Rasterization | |
| 26. |
The process of distortion of information due to low frequency sampling or under sampling is |
| A. | Aliasing |
| B. | Anti-aliasing |
| C. | Sampling |
| D. | None |
| Answer» B. Anti-aliasing | |
| 27. |
The distance between the actual line location and nearest pixel is called |
| A. | Raster |
| B. | Error Team |
| C. | Line |
| D. | None |
| Answer» B. Error Team | |
| 28. |
The process of combining pixels of available colors is called- |
| A. | Dithering |
| B. | Pixel Phasing |
| C. | Filtering |
| D. | None |
| Answer» A. Dithering | |
| 29. |
An array of weights of subpixels are called as- |
| A. | pixel array |
| B. | pixels |
| C. | pixel-weighted mask |
| D. | None |
| Answer» C. pixel-weighted mask | |
| 30. |
In CRT, the electron intensity is adjusted using ................. |
| A. | Accelerating anode |
| B. | Control grid |
| C. | Electron gun |
| D. | Focusing anode |
| Answer» B. Control grid | |
| 31. |
Lower persistence phosphorus is used in |
| A. | Animation |
| B. | Simple object |
| C. | Complex object |
| D. | All of these |
| Answer» A. Animation | |
| 32. |
The shortest distance between any two dots of the same color is called ................... |
| A. | Resolution |
| B. | Dot Pitch |
| C. | Pixel Depth |
| D. | ppi |
| Answer» B. Dot Pitch | |
| 33. |
Identify the odd one out from the following |
| A. | Frame Buffer |
| B. | Pixmap |
| C. | Display program |
| D. | Refresh Buffer |
| Answer» B. Pixmap | |
| 34. |
The purpose of refreshing a CRT is .......................... |
| A. | To avoid flickering |
| B. | To maintain steady picture |
| C. | To avoid fading of pixels |
| D. | All of the above |
| Answer» D. All of the above | |
| 35. |
The transformation in which an object is moved in a minimum distance path from one position to another is called |
| A. | Rotation |
| B. | Replacement |
| C. | Translation |
| D. | Scaling |
| Answer» C. Translation | |
| 36. |
The translation distances (dx, dy) is called as |
| A. | Translation vector |
| B. | Shift vector |
| C. | Both a and b |
| D. | Neither a nor b |
| Answer» C. Both a and b | |
| 37. |
The transformation in which an object is moved from one position to another in circular path around a specified pivot point is called |
| A. | Rotation |
| B. | Shearing |
| C. | Translation |
| D. | Scaling |
| Answer» A. Rotation | |
| 38. |
A circle, if scaled only in one direction becomes a ? |
| A. | Hyperbola |
| B. | Ellipse |
| C. | Parabola |
| D. | remains a circle |
| Answer» B. Ellipse | |
| 39. |
(2,4) is a point on a circle that has center at the origin. Which of the following points are also on circle ? |
| A. | (2,-4) |
| B. | (-2,4) |
| C. | (-4,-2) |
| D. | All of above |
| Answer» D. All of above | |
| 40. |
The shortest distance between any two dots of the same color is called ................... |
| A. | Resolution |
| B. | Dot Pitch |
| C. | Pixel Depth |
| D. | ppi |
| Answer» D. ppi | |
| 41. |
DVST stands for .......................... |
| A. | Digital View Storing Table |
| B. | Direct Visual Storage Tube |
| C. | Direct View Storage Tube |
| D. | Digital View Storage Tube |
| Answer» C. Direct View Storage Tube | |
| 42. |
The transformation in which the size of an object can be modified in x-direction ,ydirection and z-direction |
| A. | Translation |
| B. | Scaling |
| C. | Rotation |
| D. | All of these |
| Answer» B. Scaling | |
| 43. |
What are the components of Interactive computer graphics |
| A. | A digital memory or frame buffer |
| B. | A television monitor |
| C. | An interface or display controller |
| D. | All of these |
| Answer» D. All of these | |
| 44. |
The center of display screen is computed as |
| A. | X max ,y max |
| B. | Xmax/2,ymax/2 |
| C. | Xmax/3,ymax/3 |
| D. | None of these |
| Answer» B. Xmax/2,ymax/2 | |
| 45. |
The image can be transmitted to the display point by________ |
| A. | Line |
| B. | Segment |
| C. | Point |
| D. | None of these |
| Answer» C. Point | |
| 46. |
The transformation in which an object is moved from one position to another in circular path around a specified pivot point is called |
| A. | Translation |
| B. | Scaling |
| C. | Rotation |
| D. | Reflection |
| Answer» C. Rotation | |
| 47. |
The selection and separation of a part of text or image for further operation are called |
| A. | Translation |
| B. | Shear |
| C. | Reflection |
| D. | Clipping |
| Answer» D. Clipping | |
| 48. |
The graphics method in which one object is transformed into another object are called |
| A. | Clipping |
| B. | Morphing |
| C. | Reflection |
| D. | Shear |
| Answer» B. Morphing | |
| 49. |
A many sided figure is termed as |
| A. | Square |
| B. | Polygon |
| C. | Rectangle |
| D. | None |
| Answer» B. Polygon | |
| 50. |
We need to represent curves & surfaces when |
| A. | We want to model existing objects |
| B. | While modeling from scratch |
| C. | Both a & b |
| D. | None of the above |
| Answer» C. Both a & b | |
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